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The Pedersen device was an experimental weapon attachment for the M1903 Springfield bolt action rifle that allowed it to fire a .30 caliber (7.62 mm) ...
The Pedersen Rifle, officially known in final form as the T1E3 rifle, was a United States semi-automatic rifle designed by John Pedersen that was made in small numbers for testing by the United States Army during the 1920s as part of a program to standardize and adopt a replacement for the M1903 Springfield.
The US .30 Pedersen cartridge (auto pistol ball cartridge caliber .30 Model of 1918 or .30-18 Automatic) used in the Pedersen device was the basis for the 7.65×20mm Long. The cartridge dimensions were identical, although Pedersen device cartridges were loaded with a slightly heavier 80 grains (5.2 g) bullet which achieved a velocity of 1,300 ...
John Douglas Pedersen (May 21, 1881 – May 23, 1951) was a prolific arms designer who worked for Remington Arms, and later for the United States Government.Famed gun designer John Moses Browning told Maj. Gen. Julian S. Hatcher of U.S. Army Ordnance that Pedersen "was the greatest gun designer in the world".
The .276 Pedersen was a shorter, lighter and lower pressure round than the .30-06, which made the design of an autoloading rifle easier than the long, powerful .30-06. The U.S. Army Chief of Staff Gen. Douglas MacArthur rejected the .276 Pedersen Garand in 1932 after verifying that a .30-06 version was feasible.
Watertown Arsenal c. 1847 General plan, 1919. The Watertown Arsenal was a major American arsenal located on the northern shore of the Charles River in Watertown, Massachusetts.
Extensive work on creating mine-clearance devices to be attached to Shermans in some fashion was also conducted up until the end of the Second World War, such as the Sherman Crab mine-flail tank. After the Second World War, large numbers of surplus Shermans were supplied to other nations, most primarily to Africa, South America and the Middle East.
John Walter Christie (May 6, 1865 – January 11, 1944) was an American engineer and inventor. [1] He is known best for developing the Christie suspension system used for several World War II-era tank designs, most notably the Soviet BT and T-34 [3] tanks series, and the United Kingdom Covenanter and Crusader Cruiser tanks, as well as the Comet heavy cruiser tank.